Rohnert Park is a city in Sonoma County, California, United States, located approximately 50 miles north of San Francisco. The population was 42,236 at the 2000 census. It is an early planned city modeled directly after Levittown, New York and Levittown, Pennsylvania. Rohnert Park is the sister city of Hashimoto in Japan. Rohnert Park apartments for rent comparison page shows most up to date rent information on Rohnert Park apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.